Improvement in scouring and hulling machines



Unrfrnn STATES PATENT Grrron.

LEWIS S. OHIOHESTER, OF BROOKLYN, NEW YORK, ASSIGNOR TO CHARLES F. OHIOHESTER, OF SAME PLACE.

Specification forming part of Letters Patent No. 125,172, dated April 2, 187%.

To all whom it may concern: face of the abraders. The grains as they are Be it known that I, LEWIS S. OHIOHES'IER, thrown oil are arrested by the concaves or of Brooklyn, in the countyof Kings and State coves of the abraders and travel diagonally of New York, have invented an Improvement along such surface and upward until the shape in Scouring and Hulling Grain,Rice, &c.,and of the cove throws them down between the the following is declared to be a correct deedge of the hurler a, and the abraderf, where scription thereof: they fall upon the incline h, and slide off upon The object of this invention is to remove, by the next hurler at, below, and the operation is a rubbing action, a portion or the whole of the repeated. The number of hurlers and abrad- I hull or skin of grain, rice, corn, or other seeds, ers is to be suflicient to operate to the desired so that the grain or kernel shall be free, or extent, either in rubbing of the ends of the. nearly so, of those portions of the hull that hulls, thepolishing of the surface of the grains,

interfere with the subsequent operations of or the entire removal of the hulls by the vio preparing the article for market or use by lent concussion. The abraders are supported cracking, grinding, bruising, or otl'lerwise. in asuitable frame or upon segmental supports, In the drawing, Figure 1 represents a vertiand between the respective rings or sections cal section of the said machine, and Fig. 2 is there are openings, 0 0, to admit air. The 5 a section, in larger size, of one of the centrifublower 1" causes a current of air and conveys gal hurlers and concave abraders. away from the apparatus the dusty and fine.

The centrifugal hurlers,-a, are mounted upon particles that are removed by the abraders.

a'vertical shaft, 1), that is sustained in bear- 13y raising up the shaft b, and hurlersa, by flags 0 (I, and the shaft 1) may be moved by a the set screw e, there will be more space left screw, 6, endwise so as to adjust the position between the edges of the hurlers and the of such hurlersrelativelyto the concave abradabraders; hence the grain will deliver more ers. Each hurler, a, is made as a disk and rapidly. The grain is admitted by one or more preferably with an open center to admit a cirspouts, t, and received into a hopper with a deculation of air freely, and with a cylindrical livery opening at the bottom. flange, i, to prevent the grain passing 011' the I claim as my hwentiondisk through the central opening. Around The revolving centrifugal hurlers, a, in com- I these'disks forming the hurlers a, are the bination with the concave ring-shaped abradconcave abradersf. Each of these is made as ers f, the parts being constructed and opera ring, or segment of a ring, so that the inteating substantially as set forth.

rior surface will be a cove, and said surface is Signed by me this 16th day of September,

made by artificial or natural stone, or emery, A. D. 1871.

or roughened metal, so as to scrape, scour, LEWIS S. GHIOHESTER. polish, grind, or crack the hulls or skins of the grain or similar material that is thrown with Witnesses: considerable force by the centrifugal action of GEO. T. PINOKNEY,

the revolving hurlers a, against the said sur- CHAS. H. SMITH. 

